Vignite
磁性铁矿
🗣️ 情景例句
That's always nice to hear, Mr. Marchetta.
听到这事总是好的， Marchetta先生。
It's up to us to help those in need.
我们有责任帮助那些有困难的人。
I often fish for hours without catching anything.
我经常一钓数小时却一无所获，